Home GPU Comparison AMD Radeon HD 6970 vs AMD Radeon R7 250XE

AMD Radeon HD 6970 vs AMD Radeon R7 250XE

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon R7 250XE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)
896 additional rendering cores
AMD Radeon R7 250XE 's Advantages
Released 3 years and 8 months late
Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 +145%
2.703 TFLOPS
Radeon R7 250XE
1.101 TFLOPS
VS

Graphics Card

Dec 2010
Release Date
Aug 2014
Northern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
72.00GB/s

Render Config

24
Compute Units
10
-
-
-
1536
Shading Units
640
96
TMUs
40
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

28.16 GPixel/s
Pixel Rate
13.76 GPixel/s
84.48 GTexel/s
Texture Rate
34.40 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
1101 GFLOPS
675.8 GFLOPS
FP64 (double)
68.80 GFLOPS

Board Design

250W
TDP
80W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Cayman
GPU Name
Cape Verde
Cayman XT (215-0807007)
GPU Variant
Cape Verde XT
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.5 billion
389 mm²
Die Size
123 mm²

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
-
-
-
5.0
Shader Model
5.1

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