GeForce GTX 770 vs Radeon HD 8990

GeForce GTX 770
Radeon HD 8990
1536 Shaders
2GB GDDR5
1130MHz
2x 2048 Shaders
2x 3GB GDDR5
1000MHz
FP32
3.47 TFLOPS
FP32
8.19 TFLOPS
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-
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
230W
TDP
375W
Power Connectors
2x 6-Pin
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-
-
Power Connectors
-
2x 8-Pin
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-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 1
Family
GeForce 700
Family
Radeon HD 8000
Codename
NVE4
GK104
Variant
GK104-425-A2
Codename
Tahiti
-
Variant
Malta XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/30/2013
Release Date
4/24/2013
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
294 mm²
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Die Size
2x 352 mm²
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Transistor Count
3.5 Billion
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Transistor Count
2x 4.3 Billion
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Transistor Density
12.04M/mm²
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Transistor Density
12.25M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
1536 Shaders
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Shading Units
2x 2048 Shaders
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Texture Mapping Units
128 TMUs
Texture Mapping Units
2x 128 TMUs
Render Output Units
32 ROPs
Render Output Units
2x 32 ROPs
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Streaming Multiprocessors
8 SMs
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Compute Units
2x 32 CUs
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1046MHz Base
1130MHz
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950MHz Base
1000MHz
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FP32
3.47 TFLOPS
FP32
8.19 TFLOPS
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FP64
0.14 TFLOPS
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FP64
2.05 TFLOPS
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Pixel Fillrate
36.16 GPixel/s
Pixel Fillrate
32 GPixel/s
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Texture Fillrate
144.64 GTexel/s
Texture Fillrate
128 GTexel/s
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-
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L1
48KB/SM Tex
16KB/SM
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-
L1
-
-
16KB/CU
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L2
512KB Shared
L2
768KB Shared
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2GB
GDDR5
-
2x 3GB
GDDR5
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Bus Width
256Bit
Bus Width
384Bit
Clock
1753MHz
Transfer Rate
7GT/s
Bandwidth
224.3GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
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TDP
230W
TDP
375W
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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1x DVI-I Dual-Link
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4x mini-DisplayPort 1.2
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Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
-
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
4
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Model
NVENC 1
Model
VCE 1.0
Codec
-
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AVC (H.264)
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Codec
-
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 3.2
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
-
-
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
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-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
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GFX
6
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1x Fan
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3x Fans
Power Connectors
-
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2x 6-Pin
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Power Connectors
-
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2x 8-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Height
115 mm (4.53 in)
Width
304 mm (11.97 in)
Depth
38 mm (1.5 in)
Change Results