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GPU Comparison
AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 5770
AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 5770
VS
AMD Radeon HD 6990M Rebrand
ATI Mobility Radeon HD 5770
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM Mobility Radeon HD 5770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M Rebrand 's Advantages
Released 1 years and 6 months late
Larger VRAM bandwidth (70.40GB/s vs 51.20GB/s)
400 additional rendering cores
ATI Mobility Radeon HD 5770 's Advantages
Lower TDP (30W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 6990M Rebrand
+146%
1.28 TFLOPS
Mobility Radeon HD 5770
0.52 TFLOPS
Radeon HD 6990M Rebrand
VS
Mobility Radeon HD 5770
Graphics Card
Jul 2011
Release Date
Jan 2010
Vancouver
Generation
Manhattan
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1100 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
70.40GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
14
Compute Units
5
800
Shading Units
400
40
TMUs
20
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
12.80 GPixel/s
Pixel Rate
5.200 GPixel/s
32.00 GTexel/s
Texture Rate
13.00 GTexel/s
-
FP16 (half)
-
1280 GFLOPS
FP32 (float)
520.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Broadway
GPU Name
Madison
Broadway XTX
GPU Variant
Madison XT (216-0772003)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
0.627 billion
166 mm²
Die Size
104 mm²
Board Design
100W
TDP
30W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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