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GPU Comparison
AMD Radeon R7 250X vs AMD Radeon HD 6870
AMD Radeon R7 250X vs AMD Radeon HD 6870
VS
AMD Radeon R7 250X
AMD Radeon HD 6870
We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250X 's Advantages
Released 3 years and 4 months late
Lower TDP (80W vs 151W)
AMD Radeon HD 6870 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 250X
1.216 TFLOPS
Radeon HD 6870
+65%
2.016 TFLOPS
Radeon R7 250X
VS
Radeon HD 6870
Graphics Card
Feb 2014
Release Date
Oct 2010
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1125 MHz
Memory Clock
1050 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
72.00GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
10
Compute Units
14
640
Shading Units
1120
40
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
15.20 GPixel/s
Pixel Rate
28.80 GPixel/s
38.00 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
-
1216 GFLOPS
FP32 (float)
2.016 TFLOPS
76.00 GFLOPS
FP64 (double)
-
Graphics Processor
Cape Verde
GPU Name
Barts
Cape Verde XT
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
80W
TDP
151W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
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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