Home GPU Comparison AMD Radeon HD 6450M vs AMD Radeon E8870

AMD Radeon HD 6450M vs AMD Radeon E8870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages
Released 4 years and 8 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (96.00GB/s vs 12.80GB/s)
608 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6450M
0.192 TFLOPS
Radeon E8870 +700%
1.536 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Sep 2015
Vancouver
Generation
Embedded
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
12.80GB/s
Bandwidth
96.00GB/s

Render Config

-
SM Count
-
2
Compute Units
12
160
Shading Units
768
8
TMUs
48
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB

Theoretical Performance

2.400 GPixel/s
Pixel Rate
16.00 GPixel/s
4.800 GTexel/s
Texture Rate
48.00 GTexel/s
-
FP16 (half)
-
192.0 GFLOPS
FP32 (float)
1.536 TFLOPS
-
FP64 (double)
96.00 GFLOPS

Graphics Processor

Seymour
GPU Name
Saturn
Seymour PRO S3 (216-0809024)
GPU Variant
Saturn PRO
TeraScale 2
Architecture
GCN 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
2.08 billion
67 mm²
Die Size
160 mm²

Board Design

Unknown
TDP
75W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.3

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