Home GPU Comparison AMD Radeon HD 6850 1440SP Edition vs AMD Radeon HD 7850

AMD Radeon HD 6850 1440SP Edition vs AMD Radeon HD 7850

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 2GB VRAM Radeon HD 7850 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
416 additional rendering cores
AMD Radeon HD 7850 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 128.0GB/s)
Lower TDP (130W vs 151W)

Score

Benchmark

FP32 (float)
Radeon HD 6850 1440SP Edition +18%
2.088 TFLOPS
Radeon HD 7850
1.761 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Mar 2012
Northern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
1200 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
153.6GB/s

Render Config

18
Compute Units
16
-
-
-
1440
Shading Units
1024
72
TMUs
64
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
27.52 GPixel/s
52.20 GTexel/s
Texture Rate
55.04 GTexel/s
-
-
-
2.088 TFLOPS
FP32 (float)
1.761 TFLOPS
417.6 GFLOPS
FP64 (double)
110.1 GFLOPS

Board Design

151W
TDP
130W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Cypress
GPU Name
Pitcairn
Cypress PRO (215-0735043)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
2.8 billion
334 mm²
Die Size
212 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
5.1

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