Home GPU Comparison AMD Radeon R7 250X vs AMD Radeon HD 7790

AMD Radeon R7 250X vs AMD Radeon HD 7790

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages
Released 11 months late
Lower TDP (80W vs 85W)
AMD Radeon HD 7790 's Advantages
Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 250X
1.216 TFLOPS
Radeon HD 7790 +47%
1.792 TFLOPS
VS

Graphics Card

Feb 2014
Release Date
Mar 2013
Volcanic Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1125 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
96.00GB/s

Render Config

10
Compute Units
14
-
-
-
640
Shading Units
896
40
TMUs
56
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

15.20 GPixel/s
Pixel Rate
16.00 GPixel/s
38.00 GTexel/s
Texture Rate
56.00 GTexel/s
-
-
-
1216 GFLOPS
FP32 (float)
1.792 TFLOPS
76.00 GFLOPS
FP64 (double)
112.0 GFLOPS

Board Design

80W
TDP
85W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Cape Verde
GPU Name
Bonaire
Cape Verde XT
GPU Variant
Bonaire XT (215-0839039)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
2.08 billion
123 mm²
Die Size
160 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3

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