Home GPU Comparison AMD Radeon R7 250E vs AMD Radeon HD 6850 X2

AMD Radeon R7 250E vs AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages
Released 2 years and 3 months late
Lower TDP (55W vs 254W)
AMD Radeon HD 6850 X2 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)
448 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 250E
0.819 TFLOPS
Radeon HD 6850 X2 +87%
1.536 TFLOPS
VS

Graphics Card

Dec 2013
Release Date
Sep 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1125 MHz
Memory Clock
1050 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
72.00GB/s
Bandwidth
134.4GB/s

Render Config

8
Compute Units
12
-
-
-
512
Shading Units
960
32
TMUs
48
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
25.60 GPixel/s
25.60 GTexel/s
Texture Rate
38.40 GTexel/s
-
-
-
819.2 GFLOPS
FP32 (float)
1.536 TFLOPS
51.20 GFLOPS
FP64 (double)
-

Board Design

55W
TDP
254W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
None
Power Connectors
2x 8-pin

Graphics Processor

Cape Verde
GPU Name
Barts
Cape Verde PRO
GPU Variant
Barts PRO (215-0798006)
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

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
-
-
-
5.1
Shader Model
5.0

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