Radeon R7 250 vs GeForce GT 645

Radeon R7 250
GeForce GT 645
384 Shaders
1GB GDDR5
1050MHz
288 Shaders
1GB GDDR5
776MHz
FP32
0.81 TFLOPS
FP32
0.89 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
75W
TDP
140W
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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
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
GCN 1
Architecture
Fermi
Family
Radeon R 200
Family
GeForce 600
Codename
Oland
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Variant
Oland XT
Codename
NVCE
GF114
Variant
GF114-400-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/8/2013
Release Date
4/24/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
40nm
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Die Size
90 mm²
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Die Size
332 mm²
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Transistor Count
1 Billion
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Transistor Count
2 Billion
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Transistor Density
11.56M/mm²
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Transistor Density
5.87M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
384 Shaders
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Shading Units
288 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
8 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
6 SMs
Compute Units
6 CUs
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1000MHz Base
1050MHz
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1552MHz Shader
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776MHz
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FP32
0.81 TFLOPS
FP32
0.89 TFLOPS
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FP64
0.05 TFLOPS
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FP64
0.07 TFLOPS
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Pixel Fillrate
8.4 GPixel/s
Pixel Fillrate
18.624 GPixel/s
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Texture Fillrate
25.2 GTexel/s
Texture Fillrate
37.248 GTexel/s
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L1
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16KB/CU
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L1
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64KB/SM
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L2
256KB Shared
L2
512KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
128Bit
Bus Width
192Bit
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
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TDP
75W
TDP
140W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.4
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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Max Resolution
4096x2160
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
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Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
2
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Model
VCE 1.0
No Encoders
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Codec
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AVC (H.264)
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Model
UVD 4.0
No Decoders
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_1
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
1.1
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Shader Model
6.5
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GFX
6
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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1x Fan
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1x Fan
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Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
8
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
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Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
Change Results