Home GPU Comparison AMD Radeon HD 6850 1440SP Edition vs ATI Radeon HD 3690

AMD Radeon HD 6850 1440SP Edition vs ATI Radeon HD 3690

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 256MB VRAM Radeon HD 3690 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages
Released 4 years and 5 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 26.56GB/s)
1120 additional rendering cores
ATI Radeon HD 3690 's Advantages
Lower TDP (75W vs 151W)

Score

Benchmark

FP32 (float)
Radeon HD 6850 1440SP Edition +386%
2.088 TFLOPS
Radeon HD 3690
0.429 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Mar 2008
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
830 MHz

Memory

1024MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
128.0GB/s
Bandwidth
26.56GB/s

Render Config

18
Compute Units
4
-
-
-
1440
Shading Units
320
72
TMUs
16
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
10.72 GPixel/s
52.20 GTexel/s
Texture Rate
10.72 GTexel/s
-
-
-
2.088 TFLOPS
FP32 (float)
428.8 GFLOPS
417.6 GFLOPS
FP64 (double)
85.76 GFLOPS

Board Design

151W
TDP
75W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Cypress
GPU Name
RV670
Cypress PRO (215-0735043)
GPU Variant
RV670 PRO (215-0708003)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.154 billion
Transistors
0.666 billion
334 mm²
Die Size
192 mm²

Graphics Features

11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1

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