Home GPU Comparison AMD Radeon HD 8690M vs AMD Radeon R7 M340

AMD Radeon HD 8690M vs AMD Radeon R7 M340

AMD Radeon HD 8690M
VS
AMD Radeon R7 M340
AMD Radeon HD 8690M
AMD Radeon R7 M340
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Radeon R7 M340 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 36% (975MHz vs 715MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (32.00GB/s vs 16.00GB/s)
AMD Radeon R7 M340 's Advantages
Released 2 years and 9 months late
64 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8690M +13%
0.624 TFLOPS
Radeon R7 M340
0.549 TFLOPS
Radeon HD 8690M
VS
Radeon R7 M340

Graphics Card

Mar 2013
Release Date
Dec 2015
Solar System
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

925 MHz
Base Clock
620 MHz
975 MHz
Boost Clock
715 MHz
1000 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
32.00GB/s
Bandwidth
16.00GB/s

Render Config

5
Compute Units
6
-
-
-
320
Shading Units
384
20
TMUs
24
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
5.720 GPixel/s
19.50 GTexel/s
Texture Rate
17.16 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
549.1 GFLOPS
39.00 GFLOPS
FP64 (double)
34.32 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
None

Graphics Processor

Sun
GPU Name
Opal
Sun S3 XT (216-0841009)
GPU Variant
Opal PRO
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
0.95 billion
56 mm²
Die Size
77 mm²

Graphics Features

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

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