GeForce GT 520 vs Radeon HD 7970
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 520 Advantages
Lower TDP (29W vs 250W)
Radeon HD 7970 Advantages
Released 9 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 14.40GB/s)
2000 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 520
156
Radeon HD 7970
+2328%
3789
3DMark Time Spy
GeForce GT 520
85
Radeon HD 7970
+2617%
2310
Graphics Card
Apr 2011
Release Date
Jan 2012
GeForce 500
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
3GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
14.40GB/s
Bandwidth
264.0GB/s
Render Config
-
Compute Units
32
1
SM Count
-
48
Shading Units
2048
8
TMUs
128
4
ROPs
32
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
Theoretical Performance
1.620 GPixel/s
Pixel Rate
29.60 GPixel/s
6.480 GTexel/s
Texture Rate
118.4 GTexel/s
155.5 GFLOPS
FP32 (float)
3.789 TFLOPS
12.96 GFLOPS
FP64 (double)
947.2 GFLOPS
Board Design
29W
TDP
250W
200 W
Suggested PSU
600 W
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF119
GPU Name
Tahiti
GF119-300-A1
GPU Variant
Tahiti XT
(215-0821060)
(215-0821060)
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.292 billion
Transistors
4.313 billion
79 mm²
Die Size
352 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5 (5.1)