Home GPU Comparison AMD Radeon HD 8690M vs AMD Radeon HD 8970M

AMD Radeon HD 8690M vs AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8690M 's Advantages
Boost Clock has increased by 8% (975MHz vs 900MHz)
AMD Radeon HD 8970M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)
960 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8690M
0.624 TFLOPS
Radeon HD 8970M +269%
2.304 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
May 2013
Solar System
Generation
Solar System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

925 MHz
Base Clock
850 MHz
975 MHz
Boost Clock
900 MHz
1000 MHz
Memory Clock
1200 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
32.00GB/s
Bandwidth
153.6GB/s

Render Config

5
Compute Units
20
-
-
-
320
Shading Units
1280
20
TMUs
80
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
28.80 GPixel/s
19.50 GTexel/s
Texture Rate
72.00 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
2.304 TFLOPS
39.00 GFLOPS
FP64 (double)
144.0 GFLOPS

Board Design

Unknown
TDP
100W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Sun
GPU Name
Neptune
Sun S3 XT (216-0841009)
GPU Variant
Neptune XT (216-0847000)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
2.8 billion
56 mm²
Die Size
212 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
1.2
1.2.170
Vulkan
1.2
-
-
-
6.5 (5.1)
Shader Model
5.1

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