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GPU Comparison
AMD Radeon RX 7700S vs AMD Radeon HD 7870M
AMD Radeon RX 7700S vs AMD Radeon HD 7870M
VS
AMD Radeon RX 7700S
AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7700S 's Advantages
Released 10 years and 9 months late
Boost Clock2500MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)
1408 additional rendering cores
AMD Radeon HD 7870M 's Advantages
Lower TDP (45W vs 100W)
Score
Benchmark
FP32 (float)
Radeon RX 7700S
+1900%
20.48 TFLOPS
Radeon HD 7870M
1.024 TFLOPS
Radeon RX 7700S
VS
Radeon HD 7870M
Graphics Card
Jan 2023
Release Date
Apr 2012
Navi Mobile
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1500 MHz
Base Clock
-
2500 MHz
Boost Clock
-
2250 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
288.0GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
32
Compute Units
10
2048
Shading Units
640
128
TMUs
40
64
ROPs
16
-
Tensor Cores
-
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
160.0 GPixel/s
Pixel Rate
12.80 GPixel/s
320.0 GTexel/s
Texture Rate
32.00 GTexel/s
40.96 TFLOPS
FP16 (half)
-
20.48 TFLOPS
FP32 (float)
1024 GFLOPS
640.0 GFLOPS
FP64 (double)
64.00 GFLOPS
Graphics Processor
Navi 33
GPU Name
Heathrow
Navi 33 XT
GPU Variant
Heathrow XT (216-0835033)
RDNA 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
13.3 billion
Transistors
1.5 billion
204 mm²
Die Size
123 mm²
Board Design
100W
TDP
45W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.7
Shader Model
5.1
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