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GPU Comparison
AMD Radeon HD 8690M vs ATI Mobility Radeon HD 4870 X2
AMD Radeon HD 8690M vs ATI Mobility Radeon HD 4870 X2
VS
AMD Radeon HD 8690M
ATI Mobility Radeon HD 4870 X2
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8690M 's Advantages
Released 4 years and 2 months late
Boost Clock975MHz
More VRAM (2GB vs 1GB)
ATI Mobility Radeon HD 4870 X2 's Advantages
Larger VRAM bandwidth (89.60GB/s vs 32.00GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8690M
0.624 TFLOPS
Mobility Radeon HD 4870 X2
+41%
0.88 TFLOPS
Radeon HD 8690M
VS
Mobility Radeon HD 4870 X2
Graphics Card
Mar 2013
Release Date
Jan 2009
Solar System
Generation
M9x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
925 MHz
Base Clock
-
975 MHz
Boost Clock
-
1000 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
32.00GB/s
Bandwidth
89.60GB/s
Render Config
-
SM Count
-
5
Compute Units
10
320
Shading Units
800
20
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
7.800 GPixel/s
Pixel Rate
8.800 GPixel/s
19.50 GTexel/s
Texture Rate
22.00 GTexel/s
-
FP16 (half)
-
624.0 GFLOPS
FP32 (float)
880.0 GFLOPS
39.00 GFLOPS
FP64 (double)
176.0 GFLOPS
Graphics Processor
Sun
GPU Name
M98
Sun S3 XT (216-0841009)
GPU Variant
M98 XT L2 (216-0732023)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
0.69 billion
Transistors
0.956 billion
56 mm²
Die Size
256 mm²
Board Design
Unknown
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1 (1.2)
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
-
6.5 (5.1)
Shader Model
4.1
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