AMD Radeon R7 250 OEM vs AMD Radeon HD 6870 1600SP Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 250 OEM and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250 OEM 's Advantages
Released 9 months late
Boost Clock1050MHz
More VRAM (2GB vs 1024GB)
Lower TDP (65W vs 175W)
AMD Radeon HD 6870 1600SP Edition 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 32.00GB/s)
1216 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 250 OEM
0.806 TFLOPS
Radeon HD 6870 1600SP Edition
+237%
2.72 TFLOPS
Graphics Card
Oct 2013
Release Date
Jan 2013
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1000 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
134.4GB/s
Render Config
6
Compute Units
20
-
-
-
384
Shading Units
1600
24
TMUs
80
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
8.400 GPixel/s
Pixel Rate
27.20 GPixel/s
25.20 GTexel/s
Texture Rate
68.00 GTexel/s
-
-
-
806.4 GFLOPS
FP32 (float)
2.720 TFLOPS
50.40 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
65W
TDP
175W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
None
Power Connectors
2x 6-pin
Graphics Processor
Oland
GPU Name
Cypress
Oland XT
(215-0837000)
GPU Variant
Cypress XT
(215-0735033)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.95 billion
Transistors
2.154 billion
77 mm²
Die Size
334 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
