NVIDIA GeForce GTX 980 vs AMD Radeon HD 8990

NVIDIA GeForce GTX 980 $549
AMD Radeon HD 8990
2048 Shaders
4GB GDDR5
1216MHz
2x 2048 Shaders
6GB (2x 3GB) GDDR5
1000MHz
Peak AI Performance
19.92 TOPS
INT8
Peak AI Performance
8.19 TFLOPS
FP32
FP32
4.98 TFLOPS
FP32
8.19 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
165W
TDP
375W
Power Connectors
2x 6-Pin
-
Power Connectors
-
2x 8-Pin

Peak AI Performance

  • 2.43x faster vs Radeon HD 8990
  • 59% slower vs GeForce GTX 980
GeForce GTX 980 - 19.92 TOPS INT8
x2.43
Radeon HD 8990 - 8.19 TFLOPS FP32
x1

FP32

  • 39% slower vs Radeon HD 8990
  • 64% faster vs GeForce GTX 980
GeForce GTX 980 - 4.98 TFLOPS FP32
x1
Radeon HD 8990 - 8.19 TFLOPS FP32
x1.64
  • 22% slower vs Radeon HD 8990
  • 29% faster vs GeForce GTX 980
GeForce GTX 980 - 224GB/s
x1
Radeon HD 8990 - 288GB/s
x1.29
  • 56% lower vs Radeon HD 8990
  • 127% higher vs GeForce GTX 980
GeForce GTX 980 - 165W
x1
Radeon HD 8990 - 375W
x2.27
GB6 OpenCL N/A
0%
GB6 Vulkan N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Maxwell 2
Architecture
GCN 1
Family
GeForce 900
Family
Radeon HD 8000
Codename
NV124
GM204
Variant
GM204-400
Codename
Tahiti
-
Variant
Malta XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/18/2014
Release Date
4/24/2013
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
398 mm²
Die Size
2x 352 mm²
Transistor Count
5.2 Billion
Transistor Count
2x 4.3 Billion
Transistor Density
13.07M/mm²
Transistor Density
12.25M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
Shading Units
2x 2048 Shaders
Texture Mapping Units
128 TMUs
Texture Mapping Units
2x 128 TMUs
Render Output Units
64 ROPs
Render Output Units
2x 32 ROPs
Streaming Multiprocessors
16 SMs
-
-
-
-
Compute Units
2x 32 CUs
1126MHz Base
1216MHz
950MHz Base
1000MHz
Peak AI Performance
19.92 TOPS
INT8
Peak AI Performance
8.19 TFLOPS
FP32
FP32
4.98 TFLOPS
FP32
8.19 TFLOPS
FP64
160 GFLOPS
FP64
2.05 TFLOPS
INT8
19.92 TOPS
-
-
INT32
4.98 TOPS
-
-
Pixel Fillrate
77.824 GPixel/s
Pixel Fillrate
32 GPixel/s
Texture Fillrate
155.648 GTexel/s
Texture Fillrate
128 GTexel/s
L1
48KB/SM
-
L1
-
16KB/CU
L2
2MB Shared
L2
768KB Shared
4GB
GDDR5
6GB (2x 3GB)
GDDR5
Bus Width
256Bit
Bus Width
384Bit
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
224GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
TDP
165W
TDP
375W
1x DVI-I Dual-Link
-
3x DisplayPort 1.2
1x HDMI 2.0
1x DVI-I Dual-Link
4x mini-DisplayPort 1.2
-
-
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
3
Multi Monitor Support
4
Model
2x NVENC 3
Model
VCE 1.0
Codec
AVC (H.264)
HEVC (H.265)
Codec
AVC (H.264)
-
Model
NVDEC 1
Model
UVD 3.2
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Direct X
12
Direct 3D
12_1
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
CUDA
5.2
-
-
PureVideo HD
VP6
VDPAU
Feature Set E
Shader Model
6.5
-
-
GFX
6
-
-
-
-
1x Fan
3x Fans
Power Connectors
2x 6-Pin
-
Power Connectors
-
2x 8-Pin
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
40 mm (1.57 in)
Height
115 mm (4.53 in)
Width
304 mm (11.97 in)
Depth
38 mm (1.5 in)
Change Comparison