Home GPU Comparison AMD Radeon HD 6850 X2 vs NVIDIA GeForce 8800 GS

AMD Radeon HD 6850 X2 vs NVIDIA GeForce 8800 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 384MB VRAM GeForce 8800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages
Released 3 years and 8 months late
More VRAM (2GB vs 384GB)
Larger VRAM bandwidth (134.4GB/s vs 38.40GB/s)
864 additional rendering cores
NVIDIA GeForce 8800 GS 's Advantages
Lower TDP (105W vs 254W)

Score

Benchmark

FP32 (float)
Radeon HD 6850 X2 +481%
1.536 TFLOPS
GeForce 8800 GS
0.264 TFLOPS
VS

Graphics Card

Sep 2011
Release Date
Jan 2008
Northern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
1050 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
384MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
192bit
134.4GB/s
Bandwidth
38.40GB/s

Render Config

12
Compute Units
-
-
SM Count
12
960
Shading Units
96
48
TMUs
48
32
ROPs
12
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
48 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
6.600 GPixel/s
38.40 GTexel/s
Texture Rate
26.40 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
264.0 GFLOPS
-
-
-

Board Design

254W
TDP
105W
600 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

Barts
GPU Name
G92
Barts PRO (215-0798006)
GPU Variant
G92-150-A2
TeraScale 2
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
1.7 billion
Transistors
0.754 billion
255 mm²
Die Size
324 mm²

Graphics Features

11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0

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