Home GPU Comparison AMD Radeon HD 6990M vs AMD Radeon R7 M460

AMD Radeon HD 6990M vs AMD Radeon R7 M460

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon R7 M460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 36.00GB/s)
736 additional rendering cores
AMD Radeon R7 M460 's Advantages
Released 4 years and 10 months late
Boost Clock1024MHz

Score

Benchmark

FP32 (float)
Radeon HD 6990M +103%
1.602 TFLOPS
Radeon R7 M460
0.786 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
May 2016
Vancouver
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
730 MHz
-
Boost Clock
1024 MHz
900 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
36.00GB/s

Render Config

14
Compute Units
6
-
-
-
1120
Shading Units
384
56
TMUs
24
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

22.88 GPixel/s
Pixel Rate
8.192 GPixel/s
40.04 GTexel/s
Texture Rate
24.58 GTexel/s
-
FP16 (half)
786.4 GFLOPS
1.602 TFLOPS
FP32 (float)
786.4 GFLOPS
-
FP64 (double)
49.15 GFLOPS

Board Design

100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Blackcomb
GPU Name
Meso
Blackcomb XTX (216-0811030)
GPU Variant
Meso XT (216-0864018)
TeraScale 2
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
1.55 billion
212 mm²
Die Size
125 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2.170
-
-
-
5.0
Shader Model
6.5

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