Home GPU Comparison AMD Radeon HD 7590M vs AMD Radeon HD 7870M

AMD Radeon HD 7590M vs AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7590M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7590M 's Advantages
Lower TDP (18W vs 45W)
AMD Radeon HD 7870M 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
160 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7590M
0.576 TFLOPS
Radeon HD 7870M +77%
1.024 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Apr 2012
London
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
25.60GB/s
Bandwidth
64.00GB/s

Render Config

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

Theoretical Performance

4.800 GPixel/s
Pixel Rate
12.80 GPixel/s
14.40 GTexel/s
Texture Rate
32.00 GTexel/s
-
-
-
576.0 GFLOPS
FP32 (float)
1024 GFLOPS
-
FP64 (double)
64.00 GFLOPS

Board Design

18W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Thames
GPU Name
Heathrow
Thames XT (216-0833000)
GPU Variant
Heathrow XT (216-0835033)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
1.5 billion
104 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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