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GPU Comparison
AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 275
AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 275
VS
AMD Radeon HD 7870 GHz Edition
NVIDIA GeForce GTX 275
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7870 GHz Edition 's Advantages
Released 3 years and 2 months late
Larger VRAM bandwidth (153.6GB/s vs 127.0GB/s)
1040 additional rendering cores
Lower TDP (175W vs 219W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 GHz Edition
+279%
2.56 TFLOPS
GeForce GTX 275
0.674 TFLOPS
Radeon HD 7870 GHz Edition
VS
GeForce GTX 275
Graphics Card
Mar 2012
Release Date
Jan 2009
Southern Islands
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1134 MHz
Memory
2GB
Memory Size
896MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
448bit
153.6GB/s
Bandwidth
127.0GB/s
Render Config
-
SM Count
30
20
Compute Units
-
1280
Shading Units
240
80
TMUs
80
32
ROPs
28
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
224 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
17.72 GPixel/s
80.00 GTexel/s
Texture Rate
50.64 GTexel/s
-
FP16 (half)
-
2.560 TFLOPS
FP32 (float)
673.9 GFLOPS
160.0 GFLOPS
FP64 (double)
84.24 GFLOPS
Graphics Processor
Pitcairn
GPU Name
GT200B
Pitcairn XT (215-0828047)
GPU Variant
G200-105-B3
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
1.4 billion
212 mm²
Die Size
470 mm²
Board Design
175W
TDP
219W
450 W
Suggested PSU
550 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI
2x 6-pin
Power Connectors
2x 6-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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