NVIDIA GeForce GTX 470 X2 vs AMD Radeon HD 8870 OEM
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8870 OEM 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 107.1GB/s)
928 additional rendering cores
Lower TDP (175W vs 215W)
Score
Benchmark
FP32 (float)
GeForce GTX 470 X2
0.855 TFLOPS
Radeon HD 8870 OEM
+199%
2.56 TFLOPS
Graphics Card
Unknown
Release Date
Jan 2013
GeForce 400
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
837 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
107.1GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
11
SM Count
-
352
Shading Units
1280
44
TMUs
80
32
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
13.38 GPixel/s
Pixel Rate
32.00 GPixel/s
26.75 GTexel/s
Texture Rate
80.00 GTexel/s
-
-
-
855.4 GFLOPS
FP32 (float)
2.560 TFLOPS
-
FP64 (double)
160.0 GFLOPS
Board Design
215W
TDP
175W
550 W
Suggested PSU
450 W
3x DVI
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GF100
GPU Name
Pitcairn
GF100-030-A3
GPU Variant
Pitcairn XT
(215-0828047)
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
2.8 billion
529 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.0
CUDA
-
5.1
Shader Model
5.1
