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GPU Comparison
AMD Radeon HD 7970 vs NVIDIA GeForce GTX 280
AMD Radeon HD 7970 vs NVIDIA GeForce GTX 280
VS
AMD Radeon HD 7970
NVIDIA GeForce GTX 280
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 's Advantages
Released 3 years and 6 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (264.0GB/s vs 141.7GB/s)
1808 additional rendering cores
NVIDIA GeForce GTX 280 's Advantages
Lower TDP (236W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 7970
+509%
3.789 TFLOPS
GeForce GTX 280
0.622 TFLOPS
Radeon HD 7970
VS
GeForce GTX 280
Graphics Card
Dec 2011
Release Date
Jun 2008
Southern Islands
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
1107 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
512bit
264.0GB/s
Bandwidth
141.7GB/s
Render Config
-
SM Count
30
32
Compute Units
-
2048
Shading Units
240
128
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
19.26 GPixel/s
118.4 GTexel/s
Texture Rate
48.16 GTexel/s
-
FP16 (half)
-
3.789 TFLOPS
FP32 (float)
622.1 GFLOPS
947.2 GFLOPS
FP64 (double)
77.76 GFLOPS
Graphics Processor
Tahiti
GPU Name
GT200
Tahiti XT (215-0821060)
GPU Variant
G200-300-A2
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
4.313 billion
Transistors
1.4 billion
352 mm²
Die Size
576 mm²
Board Design
250W
TDP
236W
600 W
Suggested PSU
550 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.3
5.1
Shader Model
4.0
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