Home GPU Comparison AMD Radeon HD 7650A vs AMD Radeon RX 640 Mobile

AMD Radeon HD 7650A vs AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7650A and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7650A 's Advantages
Lower TDP (33W vs 50W)
AMD Radeon RX 640 Mobile 's Advantages
Released 7 years and 4 months late
Boost Clock1218MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)
160 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7650A
0.576 TFLOPS
Radeon RX 640 Mobile +170%
1.559 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
May 2019
All-In-One
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1082 MHz
-
Boost Clock
1218 MHz
900 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
48.00GB/s

Render Config

6
Compute Units
10
-
-
-
480
Shading Units
640
24
TMUs
40
8
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
19.49 GPixel/s
14.40 GTexel/s
Texture Rate
48.72 GTexel/s
-
FP16 (half)
1.559 TFLOPS
576.0 GFLOPS
FP32 (float)
1.559 TFLOPS
-
FP64 (double)
97.44 GFLOPS

Board Design

33W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Onega
GPU Name
Polaris 23
-
GPU Variant
Polaris 23 XT
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.716 billion
Transistors
2.2 billion
118 mm²
Die Size
103 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4

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