AMD Radeon 840M vs NVIDIA RTX 5000 Ada Generation Comparison

Head-to-Head Benchmarks

The AMD Radeon 840M and NVIDIA RTX 5000 Ada Generation occupy opposite ends of the GPU spectrum, and the recorded benchmark data reflects that gap clearly. The RTX 5000 Ada Generation has two benchmark entries in the database, while the Radeon 840M has no recorded benchmark scores at all. This absence of data for the AMD part is itself a meaningful finding: the 840M cannot be positioned against any rival in the database, and its average benchmark score is recorded as zero.

The NVIDIA RTX 5000 Ada Generation delivers an OpenCL score of 175,286 and a Vulkan score of 194,041. Its average benchmark score across these entries is 184,664. The Vulkan result is the stronger of the two, exceeding the OpenCL figure by 18,755 points, which is a 10.7% advantage within its own results. The Radeon 840M has no comparable entries, so no direct head-to-head percentage margins can be computed from the database. The RTX 5000 Ada Generation holds an 98th percentile ranking across all GPUs in the database, while the Radeon 840M sits at the 50th percentile.

The nearest rival data for the RTX 5000 Ada Generation provides context for its standing. The NVIDIA A100 SXM4 40 GB averages 187,147, which is 1.3% ahead of the RTX 5000 Ada Generation. The NVIDIA A100 SXM4 80 GB averages 183,725, putting it 0.5% behind. The NVIDIA RTX PRO 5000 Blackwell averages 182,109, a 1.4% deficit, and the NVIDIA GeForce RTX 4090 D averages 178,050, trailing by 3.7%. These margins are narrow, indicating the RTX 5000 Ada Generation is tightly clustered with some of the most powerful accelerators ever measured. Against the Radeon 840M, no such comparison exists because the database has no scores for the integrated part.

Architecture Differences

The two GPUs come from different architectural lineages. The AMD Radeon 840M uses RDNA 3.5, built on a 4 nm process at TSMC, and is part of the Navi III IGP generation for Strix Point Mobile. Its chip is codenamed Krackan Point. The NVIDIA RTX 5000 Ada Generation uses Ada Lovelace, fabricated on a 5 nm process at TSMC, and belongs to the Workstation Ada generation. Its chip is the AD102, a large discrete GPU die measuring 609 mm² with 76,300 million transistors and a transistor density of 125.3 million per mm². The Radeon 840M has unknown transistor count and die size, so no direct density comparison is possible.

The compute resources diverge sharply. The Radeon 840M has 256 shading units, 16 texture mapping units, 8 ROPs, and 4 ray tracing cores. The RTX 5000 Ada Generation has 12,800 shading units, 400 texture mapping units, 176 ROPs, and 100 ray tracing cores. The NVIDIA part also includes 400 tensor cores, a feature class entirely absent from the Radeon 840M's specification, which lists no tensor cores.

Clock behavior also differs. The Radeon 840M has a base clock of 400 MHz and a boost clock of 2900 MHz, a wide boost range typical of an integrated part with a 15 W TDP. The RTX 5000 Ada Generation has a base clock of 1155 MHz and a boost clock of 2550 MHz, with a memory clock of 2250 MHz, or 18 Gbps effective. The Radeon 840M's memory clock is listed as "System Shared," meaning it relies on system memory rather than dedicated VRAM.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Both use PCIe 4.0, but the Radeon 840M is limited to an x8 interface while the RTX 5000 Ada Generation uses an x16 interface. The Radeon 840M is an integrated graphics processor with no slot width, no power connectors, and portable-device-dependent display outputs. The RTX 5000 Ada Generation is a dual-slot discrete card, 267 mm long and 112 mm tall, with a 1x 16-pin power connector and a suggested power supply of 600 W.

Where Each One Wins

The RTX 5000 Ada Generation wins decisively in every measurable category in the database. Its 98th percentile ranking places it among the top GPUs recorded, and its 65.28 TFLOPS FP32 throughput is an order of magnitude above the Radeon 840M's 1,484.8 GFLOPS. The texture rate of 1,020.0 GTexel/s versus 46.40 GTexel/s and the pixel rate of 448.8 GPixel/s versus 23.20 GPixel/s reinforce the same pattern. These are not close contests; they are different performance classes.

The Radeon 840M wins in the categories of power efficiency and integration. Its 15 W TDP is dramatically lower than the RTX 5000 Ada Generation's 250 W, and it requires no external power connector while the NVIDIA card requires a 1x 16-pin connector and a 600 W suggested power supply. The integrated nature of the Radeon 840M, with its PCIe 4.0 x8 interface and system-shared memory, makes it suitable for portable devices where the RTX 5000 Ada Generation's dual-slot, 267 mm length would not fit.

The Radeon 840M also holds a newer release date. It was released on 2025-02-28, while the RTX 5000 Ada Generation dates to 2023-08-08. The RTX 5000 Ada Generation has a defined predecessor, Workstation Ampere, and a successor, Blackwell PRO W. The Radeon 840M's predecessor is Navi II IGP, and it has no successor listed.

Specification Differences

The specification tables for the two GPUs differ in nearly every field. The RTX 5000 Ada Generation has 32 GB of GDDR6 memory on a 256-bit bus with 576.0 GB/s bandwidth. The Radeon 840M has system-shared memory with system-dependent bandwidth, which means its effective memory performance cannot be stated independently of the host platform.

The shading unit count is 12,800 for NVIDIA versus 256 for AMD, a 50:1 ratio. The TMU count is 400 versus 16, the ROP count is 176 versus 8, and the RT core count is 100 versus 4. The RTX 5000 Ada Generation's 400 tensor cores have no counterpart in the AMD specification, which lists none. The FP16 throughput matches each part's FP32 throughput at a 1:1 ratio, so the NVIDIA part reaches 65.28 TFLOPS in both precisions while the AMD part reaches 1,484.8 GFLOPS in both.

The RTX 5000 Ada Generation has four DisplayPort 1.4a outputs, while the Radeon 840M's display outputs are portable-device dependent. The NVIDIA card has a dual-slot width and a 1x 16-pin power connector; the AMD IGP has no slot width and no power connectors. The suggested PSU for the RTX 5000 Ada Generation is 600 W, a figure the AMD part does not require. Both are Active in production status. Neither has a launch MSRP recorded in the database.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA RTX 5000 Ada Generation has an average benchmark score of 184,664 across its OpenCL and Vulkan entries. The AMD Radeon 840M has an average benchmark score of 0, with no benchmark entries recorded.

Q: How does the RTX 5000 Ada Generation compare to its nearest rivals?

A: It sits 0.5% ahead of the NVIDIA A100 SXM4 80 GB, 1.3% behind the NVIDIA A100 SXM4 40 GB, 1.4% ahead of the NVIDIA RTX PRO 5000 Blackwell, and 3.7% ahead of the NVIDIA GeForce RTX 4090 D.

Q: What are the memory configurations for each GPU?

A: The RTX 5000 Ada Generation has 32 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. The Radeon 840M uses system-shared memory with system-dependent bandwidth.

Q: Do both GPUs support the same APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the power requirement difference?

A: The Radeon 840M has a 15 W TDP and no power connectors. The RTX 5000 Ada Generation has a 250 W TDP, uses a 1x 16-pin power connector, and has a suggested PSU of 600 W.

Q: How do the ray tracing cores compare?

A: The RTX 5000 Ada Generation has 100 ray tracing cores. The Radeon 840M has 4 ray tracing cores.

The Verdict

The data supports a clear split. The NVIDIA RTX 5000 Ada Generation is a high-end workstation and accelerator-class GPU, ranked in the 98th percentile of all GPUs in the database, with 32 GB of dedicated GDDR6 memory, a 576.0 GB/s memory bus, 65.28 TFLOPS FP32 throughput, and 100 ray tracing cores. Its benchmark scores place it within a few percentage points of the A100 series and the RTX PRO 5000 Blackwell, confirming its position among the fastest GPUs measured. It is a dual-slot, 267 mm card requiring a 600 W power supply, intended for systems that can accommodate its physical and electrical footprint.

The AMD Radeon 840M is an integrated GPU with a 15 W TDP, no dedicated memory, no power connectors, and a 50th percentile ranking. It has no benchmark scores in the database, so its measured performance cannot be directly compared to the RTX 5000 Ada Generation. Its 4 ray tracing cores, 256 shading units, and 1,484.8 GFLOPS FP32 throughput place it in a fundamentally different performance class.

The choice depends on the use case, and the database makes that choice straightforward. The RTX 5000 Ada Generation is for workloads that require massive compute throughput, large dedicated memory capacity, and high bandwidth, as its 98th percentile standing and benchmark results indicate. The Radeon 840M is for portable devices where the 15 W power envelope, integrated form factor, and system-shared memory are the defining constraints. The RTX 5000 Ada Generation is the only one of the two with recorded benchmark results, and those results place it firmly in the top tier of the database.