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GPU Comparison
AMD Radeon HD 6770M vs AMD Radeon R9 M290X
AMD Radeon HD 6770M vs AMD Radeon R9 M290X
VS
AMD Radeon HD 6770M
AMD Radeon R9 M290X
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6770M 's Advantages
Lower TDP (35W vs 100W)
AMD Radeon R9 M290X 's Advantages
Released 3 years late
Boost Clock900MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 57.60GB/s)
800 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6770M
0.696 TFLOPS
Radeon R9 M290X
+231%
2.304 TFLOPS
Radeon HD 6770M
VS
Radeon R9 M290X
Graphics Card
Jan 2011
Release Date
Jan 2014
Vancouver
Generation
Crystal System
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
900 MHz
900 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
57.60GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
6
Compute Units
20
480
Shading Units
1280
24
TMUs
80
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
5.800 GPixel/s
Pixel Rate
28.80 GPixel/s
17.40 GTexel/s
Texture Rate
72.00 GTexel/s
-
FP16 (half)
-
696.0 GFLOPS
FP32 (float)
2.304 TFLOPS
-
FP64 (double)
144.0 GFLOPS
Graphics Processor
Whistler
GPU Name
Neptune
Whistler XT (216-0810001)
GPU Variant
Neptune XT (216-0847000)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
2.8 billion
104 mm²
Die Size
212 mm²
Board Design
35W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
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
-
CUDA
-
5.0
Shader Model
5.1
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