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GPU Comparison
AMD Radeon HD 6850 vs AMD Radeon R9 270 1024SP
AMD Radeon HD 6850 vs AMD Radeon R9 270 1024SP
VS
AMD Radeon HD 6850
AMD Radeon R9 270 1024SP
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6850 's Advantages
Lower TDP (127W vs 150W)
AMD Radeon R9 270 1024SP 's Advantages
Released 4 years and 5 months late
Boost Clock925MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 128.0GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6850
1.488 TFLOPS
Radeon R9 270 1024SP
+27%
1.894 TFLOPS
Radeon HD 6850
VS
Radeon R9 270 1024SP
Graphics Card
Oct 2010
Release Date
Mar 2015
Northern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
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
-
SM Count
-
12
Compute Units
16
960
Shading Units
1024
48
TMUs
64
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
24.80 GPixel/s
Pixel Rate
29.60 GPixel/s
37.20 GTexel/s
Texture Rate
59.20 GTexel/s
-
FP16 (half)
-
1488 GFLOPS
FP32 (float)
1.894 TFLOPS
-
FP64 (double)
118.4 GFLOPS
Graphics Processor
Barts
GPU Name
Pitcairn
Barts PRO (215-0798006)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
2.8 billion
255 mm²
Die Size
212 mm²
Board Design
127W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
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
-
CUDA
-
5.0
Shader Model
5.1
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