NVIDIA GeForce GTX 490 vs AMD Radeon HD 8950 OEM
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 3GB VRAM Radeon HD 8950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8950 OEM 's Advantages
Boost Clock925MHz
More VRAM (3GB vs 1536GB)
Larger VRAM bandwidth (240.0GB/s vs 164.0GB/s)
1312 additional rendering cores
Lower TDP (200W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon HD 8950 OEM
+184%
3.315 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
-
Base Clock
850 MHz
-
Boost Clock
925 MHz
854 MHz
Memory Clock
1250 MHz
Memory
1536MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
240.0GB/s
Render Config
-
Compute Units
28
15
SM Count
-
480
Shading Units
1792
60
TMUs
112
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
29.60 GPixel/s
36.48 GTexel/s
Texture Rate
103.6 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
3.315 TFLOPS
145.8 GFLOPS
FP64 (double)
828.8 GFLOPS
Board Design
365W
TDP
200W
750 W
Suggested PSU
550 W
3x DVI
1x mini-DisplayPort
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
Tahiti
GF100-375-A3
GPU Variant
Tahiti PRO
(215-0821056)
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
4.313 billion
529 mm²
Die Size
352 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
