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GPU Comparison
AMD Radeon R7 250 vs AMD Radeon HD 6870 X2
AMD Radeon R7 250 vs AMD Radeon HD 6870 X2
VS
AMD Radeon R7 250
AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250 's Advantages
Released 2 years and 3 months late
Lower TDP (55W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 28.80GB/s)
608 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 250
0.717 TFLOPS
Radeon HD 6870 X2
+181%
2.016 TFLOPS
Radeon R7 250
VS
Radeon HD 6870 X2
Graphics Card
Oct 2013
Release Date
Jul 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1050 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
8
Compute Units
14
512
Shading Units
1120
32
TMUs
56
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
11.20 GPixel/s
Pixel Rate
28.80 GPixel/s
22.40 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
-
716.8 GFLOPS
FP32 (float)
2.016 TFLOPS
44.80 GFLOPS
FP64 (double)
-
Graphics Processor
Cape Verde
GPU Name
Barts
Cape Verde PRO
GPU Variant
Barts XT (215-0798000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
1.7 billion
123 mm²
Die Size
255 mm²
Board Design
55W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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