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GPU Comparison
AMD Radeon HD 7970 vs NVIDIA GeForce GT 520
AMD Radeon HD 7970 vs NVIDIA GeForce GT 520
VS
AMD Radeon HD 7970
NVIDIA GeForce GT 520
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM GeForce GT 520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 's Advantages
Released 8 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (264.0GB/s vs 14.40GB/s)
2000 additional rendering cores
NVIDIA GeForce GT 520 's Advantages
Lower TDP (29W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 7970
+2328%
3.789 TFLOPS
GeForce GT 520
0.156 TFLOPS
Radeon HD 7970
VS
GeForce GT 520
Graphics Card
Dec 2011
Release Date
Apr 2011
Southern Islands
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
900 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
64bit
264.0GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
1
32
Compute Units
-
2048
Shading Units
48
128
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
128 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
1.620 GPixel/s
118.4 GTexel/s
Texture Rate
6.480 GTexel/s
-
FP16 (half)
-
3.789 TFLOPS
FP32 (float)
155.5 GFLOPS
947.2 GFLOPS
FP64 (double)
12.96 GFLOPS
Graphics Processor
Tahiti
GPU Name
GF119
Tahiti XT (215-0821060)
GPU Variant
GF119-300-A1
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.292 billion
352 mm²
Die Size
79 mm²
Board Design
250W
TDP
29W
600 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1
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