Home GPU Comparison AMD Radeon R7 250X vs AMD Radeon HD 6770 Green Edition

AMD Radeon R7 250X vs AMD Radeon HD 6770 Green Edition

AMD Radeon R7 250X
VS
AMD Radeon HD 6770 Green Edition
AMD Radeon R7 250X
AMD Radeon HD 6770 Green Edition
We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages
Released 10 months late
Larger VRAM bandwidth (72.00GB/s vs 21.34GB/s)
Lower TDP (80W vs 86W)
AMD Radeon HD 6770 Green Edition 's Advantages
More VRAM (2GB vs 1024GB)
80 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 250X +20%
1.216 TFLOPS
Radeon HD 6770 Green Edition
1.008 TFLOPS
VS

Graphics Card

Feb 2014
Release Date
Apr 2013
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1125 MHz
Memory Clock
667 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
21.34GB/s

Render Config

10
Compute Units
9
-
-
-
640
Shading Units
720
40
TMUs
36
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

15.20 GPixel/s
Pixel Rate
11.20 GPixel/s
38.00 GTexel/s
Texture Rate
25.20 GTexel/s
-
-
-
1216 GFLOPS
FP32 (float)
1008 GFLOPS
76.00 GFLOPS
FP64 (double)
-

Board Design

80W
TDP
86W
250 W
Suggested PSU
250 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
-

Graphics Processor

Cape Verde
GPU Name
Juniper
Cape Verde XT
GPU Variant
Juniper LE (215-0754009)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
1.04 billion
123 mm²
Die Size
166 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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